THU200GRL Site Information Form (site log)
International GNSS Service
See Instructions at:
https://files.igs.org/pub/station/general/sitelog_instr.txt
0. Form
Prepared by (full name) : DTU Space GNSS Team (dtuspace-gnss@space.dtu.dk)
Date Prepared : 2023-10-20
Report Type : UPDATE
If Update:
Previous Site Log : thu200grl_20231020.log
Modified/Added Sections : 1, 2, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8,
: 3.9, 3.11, 3.12, 3.13, 3.14, 3.15, 3.16, 3.17,
: 3.18, 3.19, 4.1, 4.2, 5.1, 5.2, 5.3, 5.4, 5.5,
: 6.1, 6.2, 6.3, 6.4, 7.1, 8.1.2, 8.1.1, 8.2.2,
: 8.2.1, 8.3.2, 8.3.1, 11, 13
1. Site Identification of the GNSS Monument
Site Name : Thule
Four Character ID : THU2
Monument Inscription :
IERS DOMES Number : 43001M002
CDP Number : (A4)
Monument Description : Pillar
Height of the Monument : 1.5 m
Monument Foundation : Steel rods
Foundation Depth : 1.5 m
Marker Description : (CHISELLED CROSS/DIVOT/BRASS NAIL/etc)
Date Installed : 1998-10-26T00:00Z
Geologic Characteristic : Bedrock
Bedrock Type : METAMORPHIC
Bedrock Condition : JOINTED
Fracture Spacing : 51-200 cm
Fault zones nearby : NO
Distance/activity : (multiple lines)
Additional Information : Monument+antenna shared with IGS station THU3
2. Site Location Information
City or Town : Thule Airbase
State or Province : Greenland
Country : Greenland
Tectonic Plate : NORTH AMERICAN
Approximate Position (ITRF)
X coordinate (m) : 538093.193
Y coordinate (m) : -1389088.130
Z coordinate (m) : 6180979.360
Latitude (N is +) : +763213.37
Longitude (E is +) : -0684930.18
Elevation (m,ellips.) : 36.2
Additional Information : (multiple lines)
3. GNSS Receiver Information
3.1 Receiver Type : ASHTECH Z18
Satellite System : GPS+GLO
Serial Number : 00121
Firmware Version : 0057ZT12
Elevation Cutoff Setting : 5 deg
Date Installed : 1998-10-26T00:00Z
Date Removed : 2000-11-07T00:00Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.2 Receiver Type : ASHTECH Z18
Satellite System : GPS+GLO
Serial Number : 00121
Firmware Version : 0064ZT12
Elevation Cutoff Setting : 5 deg
Date Installed : 2000-11-07T00:00Z
Date Removed : 2002-05-08T00:00Z
Temperature Stabiliz. : none
Additional Information : Date removed changed to 2002-05-08T00:00Z
: on 2021-02-14
3.3 Receiver Type : ASHTECH Z18
Satellite System : GPS+GLO
Serial Number : 00109
Firmware Version : 0065ZT12
Elevation Cutoff Setting : 5 deg
Date Installed : 2002-05-08T00:00Z
Date Removed : 2002-09-25T00:00Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.4 Receiver Type : ASHTECH Z18
Satellite System : GPS+GLO
Serial Number : 00121
Firmware Version : 0065ZT12
Elevation Cutoff Setting : 5 deg
Date Installed : 2002-09-25T00:00Z
Date Removed : 2003-11-12T10:59Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.5 Receiver Type : ASHTECH Z18
Satellite System : GPS+GLO
Serial Number : 00121
Firmware Version : 0065ZT17
Elevation Cutoff Setting : 5 deg
Date Installed : 2003-11-12T11:38Z
Date Removed : 2006-03-09T23:59Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.6 Receiver Type : JPS LEGACY
Satellite System : GPS+GLO
Serial Number : MT310930514
Firmware Version : 2.3
Elevation Cutoff Setting : 5 deg
Date Installed : 2006-03-10T00:00Z
Date Removed : 2008-04-06T15:00Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.7 Receiver Type : JPS LEGACY
Satellite System : GPS+GLO
Serial Number : MT310131707
Firmware Version : 2.6
Elevation Cutoff Setting : 0 deg
Date Installed : 2008-04-06T15:31Z
Date Removed : 2013-03-19T00:00Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.8 Receiver Type : LEICA GRX1200+GNSS
Satellite System : GPS+GLO
Serial Number : 96095
Firmware Version : 8.51
Elevation Cutoff Setting : 0 deg
Date Installed : 2013-03-19T00:00Z
Date Removed : 2013-05-29T14:00Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.9 Receiver Type : LEICA GRX1200+GNSS
Satellite System : GPS+GLO
Serial Number : 96095
Firmware Version : 8.71
Elevation Cutoff Setting : 0 deg
Date Installed : 2013-05-29T14:00Z
Date Removed : 2016-03-16T10:00Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.10 Receiver Type : LEICA GRX1200+GNSS
Satellite System : GPS+GLO
Serial Number : 96095
Firmware Version : 8.71/6.110
Elevation Cutoff Setting : 0 deg
Date Installed : 2016-03-16T10:00Z
Date Removed : 2016-10-07T10:00Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.11 Receiver Type : LEICA GRX1200+GNSS
Satellite System : GPS+GLO
Serial Number : 96095
Firmware Version : 9.20/6.405
Elevation Cutoff Setting : 0 deg
Date Installed : 2016-10-07T10:00Z
Date Removed : 2018-08-27T23:59Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.12 Receiver Type : LEICA GR25
Satellite System : GPS+GLO+GAL
Serial Number : 1830369
Firmware Version : 4.30/6.525
Elevation Cutoff Setting : 0 deg
Date Installed : 2018-08-28T04:00Z
Date Removed : 2019-05-03T23:59Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.13 Receiver Type : JAVAD TRE_G3T SIGMA
Satellite System : GPS+GLO+SBAS
Serial Number : 00812
Firmware Version : 3.6.15 Feb,05,2019
Elevation Cutoff Setting : 0 deg
Date Installed : 2019-05-04T00:00Z
Date Removed : 2020-02-05T11:30Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.14 Receiver Type : JAVAD TRE_G3T SIGMA
Satellite System : GPS+GLO+SBAS
Serial Number : 00812
Firmware Version : 3.6.16 Jan,21,2020
Elevation Cutoff Setting : 0 deg
Date Installed : 2020-02-05T11:35Z
Date Removed : 2020-03-20T15:45Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.15 Receiver Type : JAVAD TRE_G3T SIGMA
Satellite System : GPS+GLO+SBAS
Serial Number : 00812
Firmware Version : 3.7.9 Dec,30,2019
Elevation Cutoff Setting : 0 deg
Date Installed : 2020-03-20T15:55Z
Date Removed : 2020-10-16T23:59Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.16 Receiver Type : SEPT POLARX5
Satellite System : GPS+GLO+GAL+BDS+QZSS
Serial Number : 3234350
Firmware Version : 5.3.2
Elevation Cutoff Setting : 0 deg
Date Installed : 2020-10-17T00:00Z
Date Removed : 2021-01-13T18:45Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.17 Receiver Type : SEPT POLARX5
Satellite System : GPS+GLO+GAL+BDS+QZSS
Serial Number : 3234350
Firmware Version : 5.4.0
Elevation Cutoff Setting : 0 deg
Date Installed : 2021-01-13T18:45Z
Date Removed : 2021-07-26T23:59Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.18 Receiver Type : SEPT POLARX5
Satellite System : GPS+GLO+GAL+BDS+QZSS
Serial Number : 3234350
Firmware Version : 5.4.0-patch1
Elevation Cutoff Setting : 0 deg
Date Installed : 2021-07-26T23:59Z
Date Removed : 2022-09-08T12:24Z
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.19 Receiver Type : SEPT POLARX5
Satellite System : GPS+GLO+GAL+BDS+QZSS
Serial Number : 3234350
Firmware Version : 5.5.0
Elevation Cutoff Setting : 0 deg
Date Installed : 2022-09-08T12:24Z
Date Removed : CCYY-MM-DDThh:mmZ
Temperature Stabiliz. : none
Additional Information : (multiple lines)
3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions)
Satellite System : (GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS)
Serial Number : (A20, but note the first A5 is used in SINEX)
Firmware Version : (A11)
Elevation Cutoff Setting : (deg)
Date Installed : (CCYY-MM-DDThh:mmZ)
Date Removed : (CCYY-MM-DDThh:mmZ)
Temperature Stabiliz. : (none or tolerance in degrees C)
Additional Information : (multiple lines)
4. GNSS Antenna Information
4.1 Antenna Type : ASH701073.1 DOME
Serial Number : G0111
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.1002
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : DOME
Radome Serial Number :
Antenna Cable Type : Andrew Heliax LDF4-50A
Antenna Cable Length : 75 m
Date Installed : 1998-10-26T00:00Z
Date Removed : 2000-11-17T18:00Z
Additional Information : (multiple lines)
4.2 Antenna Type : ASH701073.1 SCIS
Serial Number : G0111
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.1002
Marker->ARP North Ecc(m) : 0.0000
Marker->ARP East Ecc(m) : 0.0000
Alignment from True N : 0 deg
Antenna Radome Type : SCIS
Radome Serial Number :
Antenna Cable Type : Andrew Heliax LDF4-50A
Antenna Cable Length : 75 m
Date Installed : 2000-11-17T18:00Z
Date Removed : CCYY-MM-DDThh:mmZ
Additional Information : (multiple lines)
4.x Antenna Type : (A20, from rcvr_ant.tab; see instructions)
Serial Number : (A*, but note the first A5 is used in SINEX)
Antenna Reference Point : (BPA/BCR/XXX from "antenna.gra"; see instr.)
Marker->ARP Up Ecc. (m) : (F8.4)
Marker->ARP North Ecc(m) : (F8.4)
Marker->ARP East Ecc(m) : (F8.4)
Alignment from True N : (deg; + is clockwise/east)
Antenna Radome Type : (A4 from rcvr_ant.tab; see instructions)
Radome Serial Number :
Antenna Cable Type : (vendor & type number)
Antenna Cable Length : (m)
Date Installed : (CCYY-MM-DDThh:mmZ)
Date Removed : (CCYY-MM-DDThh:mmZ)
Additional Information : (multiple lines)
5. Surveyed Local Ties
5.1 Tied Marker Name : THU1
Tied Marker Usage : IGS global station
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 43001M001
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : 887.691 m
dy (m) : 373.240 m
dz (m) : 25.840 m
Accuracy (mm) :
Survey method : GPS CAMPAIGN
Date Measured : (CCYY-MM-DDThh:mmZ)
Additional Information : one year of daily files
5.2 Tied Marker Name : THU3
Tied Marker Usage : IGS global station
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 43001M002
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : 0.000 m
dy (m) : 0.000 m
dz (m) : 0.000 m
Accuracy (mm) :
Survey method : GPS CAMPAIGN
Date Measured : (CCYY-MM-DDThh:mmZ)
Additional Information : Same antenna for THU2 and THU3
5.3 Tied Marker Name : THU1
Tied Marker Usage : IGS global station
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 43001M001
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : 887.699 m
dy (m) : 373.219 m
dz (m) : 25.937 m
Accuracy (mm) : 0.5 mm
Survey method : GPS CAMPAIGN
Date Measured : (CCYY-MM-DDThh:mmZ)
Additional Information : Differential components in section 5.1 have
: been found erroneous. Two years of daily files
: have been processed.
5.4 Tied Marker Name : THUB
Tied Marker Usage : DORIS station
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 43001S005
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : 16.946 m
dy (m) : 56.670 m
dz (m) : 15.283 m
Accuracy (mm) : 1 mm
Survey method : GPS
Date Measured : 2002-09-28T00:00Z
Additional Information : 20 hours of GPS observations
5.5 Tied Marker Name : THUB
Tied Marker Usage : DORIS station
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : 43001S005
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : 16.954 m
dy (m) : 56.685 m
dz (m) : 15.270 m
Accuracy (mm) : 1 mm
Survey method : GPS, directions and distances, levelling
Date Measured : 2008-08-01T00:00Z
Additional Information : First re-measurement since monument was
: damaged and rebuilt 2002-10-14
5.x Tied Marker Name :
Tied Marker Usage : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc)
Tied Marker CDP Number : (A4)
Tied Marker DOMES Number : (A9)
Differential Components from GNSS Marker to the tied monument (ITRS)
dx (m) : (m)
dy (m) : (m)
dz (m) : (m)
Accuracy (mm) : (mm)
Survey method : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc)
Date Measured : (CCYY-MM-DDThh:mmZ)
Additional Information : (multiple lines)
6. Frequency Standard
6.1 Standard Type : INTERNAL
Input Frequency : (if external)
Effective Dates : 1998-10-26/2000-01-07
Notes : (multiple lines)
6.2 Standard Type : EXTERNAL RUBIDIUM
Input Frequency : 5 MHz
Effective Dates : 2000-01-07/2013-03-19
Notes : FRK-LLN P/N:80104736 S/N: 19087
6.3 Standard Type : EXTERNAL RUBIDIUM
Input Frequency : 10 MHz
Effective Dates : 2013-03-19/2019-05-04
Notes : Symmetricom 8040C p/n: 15230-101 s/n:0652013964
6.4 Standard Type : INTERNAL
Input Frequency : (if external)
Effective Dates : 2019-05-04/CCYY-MM-DD
Notes : (multiple lines)
6.x Standard Type : (INTERNAL or EXTERNAL H-MASER/CESIUM/etc)
Input Frequency : (if external)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Notes : (multiple lines)
7. Collocation Information
7.1 Instrumentation Type : DORIS
Status : PERMANENT
Effective Dates : 2002-09-30/CCYY-MM-DD
Notes : (multiple lines)
7.x Instrumentation Type : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/TIME/etc)
Status : (PERMANENT/MOBILE)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Notes : (multiple lines)
8. Meteorological Instrumentation
8.1.1 Humidity Sensor Model : HMP45D
Manufacturer : VAISALA
Serial Number :
Data Sampling Interval : 300 sec
Accuracy (% rel h) : 2 % rel h
Aspiration : UNASPIRATED
Height Diff to Ant : 5.1 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 2001-09-01/2023-09-04
Notes : Serial U5020003
8.1.2 Humidity Sensor Model : PTU303
Manufacturer : VAISALA
Serial Number : V0660128
Data Sampling Interval : 1 sec
Accuracy (% rel h) : 2 % rel h
Aspiration : UNASPIRATED
Height Diff to Ant : 5.042 m
Calibration date : 2023-02-01
Effective Dates : 2023-09-04/CCYY-MM-DD
Notes : Height measured from air pressure intake to
: marker
8.1.x Humidity Sensor Model :
Manufacturer :
Serial Number :
Data Sampling Interval : (sec)
Accuracy (% rel h) : (% rel h)
Aspiration : (UNASPIRATED/NATURAL/FAN/etc)
Height Diff to Ant : (m)
Calibration date : (CCYY-MM-DD)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Notes : (multiple lines)
8.2.1 Pressure Sensor Model : PTU200 Class A
Manufacturer : VAISALA
Serial Number :
Data Sampling Interval : 300 sec
Accuracy : 0.15 hPa
Height Diff to Ant : 5.1 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 2001-09-01/2023-09-04
Notes : Serial U5120003
8.2.2 Pressure Sensor Model : PTU303
Manufacturer : VAISALA
Serial Number : V0660128
Data Sampling Interval : 1 sec
Accuracy : 0.3 hPa
Height Diff to Ant : 5.042 m
Calibration date : 2023-02-01
Effective Dates : 2023-09-04/CCYY-MM-DD
Notes : Height measured from air pressure intake to
: marker
8.2.x Pressure Sensor Model :
Manufacturer :
Serial Number :
Data Sampling Interval : (sec)
Accuracy : (hPa)
Height Diff to Ant : (m)
Calibration date : (CCYY-MM-DD)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Notes : (multiple lines)
8.3.1 Temp. Sensor Model : PTU200
Manufacturer : VAISALA
Serial Number :
Data Sampling Interval : 300 sec
Accuracy : 0.2 deg C
Aspiration : UNASPIRATED
Height Diff to Ant : 5.1 m
Calibration date : (CCYY-MM-DD)
Effective Dates : 2001-09-01/2023-09-04
Notes : Serial U5120003
8.3.2 Temp. Sensor Model : PTU303
Manufacturer : VAISALA
Serial Number : V0660128
Data Sampling Interval : 1 sec
Accuracy : 0.2 deg C
Aspiration : UNASPIRATED
Height Diff to Ant : 5.042 m
Calibration date : 2023-02-01
Effective Dates : 2023-09-04/CCYY-MM-DD
Notes : Height measured from air pressure intake to
: marker
8.3.x Temp. Sensor Model :
Manufacturer :
Serial Number :
Data Sampling Interval : (sec)
Accuracy : (deg C)
Aspiration : (UNASPIRATED/NATURAL/FAN/etc)
Height Diff to Ant : (m)
Calibration date : (CCYY-MM-DD)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Notes : (multiple lines)
8.4.x Water Vapor Radiometer :
Manufacturer :
Serial Number :
Distance to Antenna : (m)
Height Diff to Ant : (m)
Calibration date : (CCYY-MM-DD)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Notes : (multiple lines)
8.5.x Other Instrumentation : (multiple lines)
9. Local Ongoing Conditions Possibly Affecting Computed Position
9.1.x Radio Interferences : (TV/CELL PHONE ANTENNA/RADAR/etc)
Observed Degradations : (SN RATIO/DATA GAPS/etc)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Additional Information : (multiple lines)
9.2.x Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/etc)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Additional Information : (multiple lines)
9.3.x Signal Obstructions : (TREES/BUILDINGS/etc)
Effective Dates : (CCYY-MM-DD/CCYY-MM-DD)
Additional Information : (multiple lines)
10. Local Episodic Effects Possibly Affecting Data Quality
10.x Date : (CCYY-MM-DD/CCYY-MM-DD)
Event : (TREE CLEARING/CONSTRUCTION/etc)
11. On-Site, Point of Contact Agency Information
Agency : National Space Institute
: Technical University of Denmark
Preferred Abbreviation : DTU Space
Mailing Address : Elektrovej bldg. 328
: DK-2800 Kongens Lyngby
: Denmark
Primary Contact
Contact Name : DTU Space GNSS Team
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail : dtuspace-gnss@space.dtu.dk
Secondary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Additional Information : (multiple lines)
12. Responsible Agency (if different from 11.)
Agency : (multiple lines)
Preferred Abbreviation : (A10)
Mailing Address : (multiple lines)
Primary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Secondary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Additional Information : (multiple lines)
13. More Information
Primary Data Center : CDDIS
Secondary Data Center : BKG
URL for More Information :
Hardcopy on File
Site Map : (Y or URL)
Site Diagram : (Y)
Horizon Mask : (Y)
Monument Description : (Y)
Site Pictures : (Y)
Additional Information : (multiple lines)
Antenna Graphics with Dimensions
ASH701073.1
ASH701073.3
+-------+
/ + \ <-- 0.1280 L2
| + | <-- 0.1100 L1
+-----------------+-------------+------------------+ <-- 0.1020 TCR
| |
| |
| |
| |
+-+--------------------------------------------------+-+ <-- 0.0380
+-------------------+-------------+--------------------+ <-- 0.0350 BCR
| |
| |
+------x------+ <-- 0.0000 BPA=ARP
<-- ? -->
